<template>
  <div>
    <!-- 面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
    <el-breadcrumb-item :to="{ path: '/welcome' }">首页</el-breadcrumb-item>
    <el-breadcrumb-item>商品管理</el-breadcrumb-item>
    <el-breadcrumb-item>商品列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 卡片视图 -->
    <el-card class="box-card">
      <!-- 搜索与添加 -->
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query"
           clearable @clear="getGoodsList()">
            <el-button slot="append" icon="el-icon-search" @click="getGoodsList()"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="goAddPage()">添加商品</el-button>
        </el-col>
      </el-row>
      <!-- 用户列表 -->
      <el-table :data="goodsList" border stripe>
        <el-table-column type="index" label="#"></el-table-column>
        <el-table-column label="商品名称" prop="goods_name"></el-table-column>
        <el-table-column label="商品价格" prop="goods_price" width="100px"></el-table-column>
        <el-table-column label="商品重量" prop="goods_weigth" width="100px"></el-table-column>
        <el-table-column label="商品创建时间" prop="add_time" width="140px">
          <template slot-scope="scope">
            {{scope.row.add_time | dateFormat}}
          </template>
        </el-table-column>
        <el-table-column label="操作" width="130">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit"  size="mini" @click="goEditPage(scope.row.goods_id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" @click="removeById(scope.row.goods_id)" size="mini"></el-button>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域 -->
      <el-pagination
      @size-change="handleSizeChange"
      @current-change="handleCurrentChange"
      :current-page="queryInfo.pagenum"
      :page-sizes="[10, 20, 30, 50]"
      :page-size="queryInfo.pagesize"
      layout="total, sizes, prev, pager, next, jumper"
      :total="total" background>
    </el-pagination>
      <!-- <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[5, 10, 15, 20]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination> -->
    </el-card>

  </div>
</template>

<script>
export default {
  data () {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      goodsList: [],
      total: 0
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    // 根据查询参数获取商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.goodsList = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      if (!id) {
        return this.$message.error('没有获取到商品id!')
      }

      this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(async () => {
        const { data: res } = await this.$http.delete('goods/' + id)
        if (res.meta.status !== 200) {
          return this.$message.error('删除失败!')
        }
        this.$message({
          type: 'success',
          message: '删除成功!'
        })
        this.getGoodsList()
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '已取消删除'
        })
      })
    },
    goAddPage () {
      this.$router.push('/goods/add')
    },
    goEditPage (id) {
      this.$router.push('/goods/edit/' + id)
    }
  }
}
</script>

<style lang="less" scoped>

</style>
